module Modown

download(url, save_as) click to toggle source

Downloads a file at a given url and writes it to disk. Taken from - gist.github.com/Burgestrand/454926 @param url [URL] the url of the file to download @param save_as [string] the name/path of the file to save, along with the extension @return [void]

# File lib/modown.rb, line 42
def self.download(url, save_as)
  Thread.new do
    thread = Thread.current
    url = URI.parse(url)
    Net::HTTP.new(url.host, url.port).request_get(url.path) do |response|
      thread[:length] = response['Content-Length'].to_i
      puts " #{(thread[:length] / 1_000_000.0)} MB "
      open(save_as, 'wb') do |file|
        response.read_body do |fragment|
          file.write(fragment)
          thread[:done] = (thread[:done] || 0) + fragment.length
          thread[:progress] = thread[:done].quo(thread[:length]) * 100
        end
      end
    end
  end
end

download_model(model_id,save_to="") click to toggle source

Downloads the model from archive3D and saves it in a zip file.

@param model_id [String] The ‘id` of the model to download @param save_to [String] Where to save the file. @return [void]

# File lib/modown.rb, line 65
def self.download_model(model_id,save_to="")
  puts 'Please wait downloading Model'
  download_url = 'http://www.archive3d.net/?a=download&do=get&id='
  begin

    response = Net::HTTP.get_response(URI.parse(download_url + model_id))
    file_location = response['location']
    thread = download(file_location, save_to + model_id + '.zip')
    print "#{thread[:progress].to_i}% \r" until thread.join 1

  rescue
    puts "Can't download model", $!
    0
  else
    puts model_id + ' downloaded !'
    1
  end
end

get_model_from_zip(input_zip, output_file, format = '*') click to toggle source

The zip file of the downloaded model contains different 3D formats This method extracts a file with the given format from the zip file. More specifically, it gets the files which matches the format (glob pattern) and extracts them and saves it with the name output_file and their respective format

@param input_zip [String] the name of the zip file @param output_file [String] the desired name of the model file. @param format [String] glob pattern for any of the 3D file formats ( for example ".3[Dd][Ss]") @return [void]

# File lib/modown.rb, line 93
def self.get_model_from_zip(input_zip, output_file, format = '*')
  Zip::File.open(input_zip) do |zip_file|
    matches = zip_file.glob(format)
    matches.each do |entry|
      begin

        file_complete_name = entry.name.split('.')
        file_name = file_complete_name[0]
        extension = file_complete_name[1..-1].join('.').downcase
        entry.extract(output_file + "_" + file_name + '.' + extension)
      rescue Zip::DestinationFileExistsError
      end
    end
  end
  1
rescue
  puts 'Error opening ZIP file'
  0
end

search_models(name, count = 1) click to toggle source

This methods searches for 3D models on archive3D.net and returns a list of model_ids

@param name [String] something you want to search , for example “dog”, “table”, etc @param count [Integer] the number of models you want. The number of actual models returned are always <= count @return [Array<String>] the list of the model_ids

# File lib/modown.rb, line 118
def self.search_models(name, count = 1)
  id_list = []
  search_url = 'http://www.archive3d.net/?tag='
  begin

    page = Nokogiri::HTML(Net::HTTP.get_response(URI.parse(search_url + name)).body)

  rescue
    puts 'There was problem contacting archive3d', $!
  else
    count.times do |x|
      x += 1
      begin
        element = page.css("#prevtable > div:nth-child(#{x}) > div > a")[0]
        model_id = element['href'].split('id=')[1]
      rescue

      else
        id_list << model_id
      end
    end
  end

  puts "Found #{id_list.size} models ! \n"
  id_list
end

Constants

Public Class Methods